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EP 4 298 689 A1

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(43) Date of publication: 03.01.2024 Bulletin 2024/01 (21) Application number: 22888610.7 (22) Date of filing: 19.05.2022

(51) International Patent Classification (IPC):  H01Q 1/22(2006.01) G06K 19/077(2006.01) (86) International application number: PCT/CN2022/093823 (87) International publication number: WO 2023/221035 (23.11.2023 Gazette 2023/47)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Google LLC Mountain View, CA 94043 (US)

(72) Inventors: LUBOWE, Henry Michael Mountain View, California 94043 (US) BIELSKIS, Lukas Mountain View, California 94043 (US) CONSOLAZIO, Thomas Mountain View, California 94043 (US) VERMA, Ritu Mountain View, California 94043 (US) LI, Kevin Mountain View, California 94043 (US) MCCRAY, Dennis Mountain View, California 94043 (US) (74) Representative: Maikowski & Ninnemann Patentanwälte Partnerschaft mbB  Postfach 15 09 20 10671 Berlin 10671 Berlin (DE)